Finding the Fourth Proportional to 378,184.17, 521,894.25 and 206,102.19
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Solution
The fourth proportional to 378,184.17, 521,894.25 and 206,102.19 is: 284,421.07
Step by Step Solution
- Step 1: Write the proportion equation
378,184.17 : 521,894.25 = 206,102.19 : x - Step 2: Convert to fraction form
378,184.17/521,894.25 = 206,102.19/x - Step 3: Cross multiply
378,184.17x = 521,894.25 × 206,102.19 - Step 4: Simplify right side
378,184.17x = 107,563,547,873.41 - Step 5: Solve for x
x = 107,563,547,873.41/378,184.17 - Step 6: Final answer
x = 284,421.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.